GE Giraffe, Service Manual

Page: 102 / 212

Chapter 4: Troubleshooting
Troubleshooting Tables
4-40 Service Manual
4.4.9.3 Oximetry System Failure
4.4.10 Electronics – Elevating Base (Bedded Models Only)
4.4.10.1 No Motion
3. If OK, remove the probe panel bottom cover.
4.
Check the SpO
2
Rail Harness connection at the
SpO
2
I/F PCA.
5.
If OK, replace the SpO
2
Rail Harness with a known
good one from the Probe Panel Interface Board to
the SpO
2
I/F PCA.
Defective SpO
2
I/F
PCA or Control PCA
6. If OK, replace the Control PCA or SpO
2
I/F PCA.
Possible Causes Step Troubleshooting Procedure Comments
Intermittent cables 1.
Check the connection between the Control PCA
and Probe Panel Interface Board.
2.
Check the connection between the SpO
2
Flex
Circuit and SpO
2
I/F PCA.
For SpO
2
Flex
Circuit part
numbers, refer to
section 6.9 .
Possible Causes Step Troubleshooting Procedure Comments
Possible Causes Step Troubleshooting Procedure Comments
Defective E-Base 1.
Plug spare line cord directly into E-Base AC inlet.
- Green light ON indicates power to the E-Base.
- Test movement using foot switch pedals.
2.
If no movement: remove E-Base shroud; verify
connectors from the foot switch pedals are
properly seated and connected.
2.5 mm Hex
Wrench
3.
If harness connections are OK and no movement
from petals on either side, then replace E-Base.
No power to E-Base 4.
With warmer powered, check for green light on
column (located next to AC inlet connector).
If not lit, continue.
5.
Check settings in User Menu. If the E-Base is
disabled and user is unable to enable, check the
Service Mode to ensure elevating base is enabled.
Change to enable and save settings.
6.
If enabled and there is still no power, verify that
the E-Base power cord is connected properly to
EHBase AC inlet.